Features: Engineered with high performances antislip design and plastic spikes, these traction wheel enhances grip by 50% on wet or uneven surfaces for lawn mower robot parts. Featuring reinforced wear resistant materials and a plugs play tool less installation, they reduce replacement frequency while saving 70% setups time. Ideal for homeowners, professional landscapers, seek reliable upgrades for lawn maintenance equipment. Perfectly adapts to rainy conditions, or noise sensitive environment like residential areas and apartments. Optimized for seamlessly compatibility with robotic mowers, these low noise traction wheel ensures precise alignment and long lastingly performances. Specifications: Component: Plastic Color: Gray Diameter: 252mm Scope of application: Suitable for HUSQVANA mowing robot Package Includes: 1 Set Traction Wheel note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.